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TABLE 1. P values for paired t-tests for interobserver results at different pixel widths (in μm) with constant magnification. Bold results indicate a significant difference between observers (P < 0.05).

Pixel width (μm)

14.81

7.41

3.70

1.85

0.93

0.74

NS

 

 

0.18

0.00

0.00

0.72

SP

 

 

0.00

0.00

0.00

0.04

WS

0.75

0.28

0.00

0.00

0.00

0.35

LP

0.01

0.06

0.17

0.03

0.00

0.01

WS+LP

0.00

0.00

0.04

1.00

0.61

0.03

 

TABLE 2. Pearson correlation coefficients (PCC), comparing observer one to observer two at different pixel widths (in μm) with constant magnification. Significant tests (P < 0.05) are in bold. In this case, all PCCs were significant.

Pixel width (μm)

14.81

7.41

3.70

0.91

0.93

0.74

NS

 

 

0.49

0.62

0.46

0.55

SP

 

 

0.61

0.69

0.62

0.56

WS

0.49

0.59

0.82

0.69

0.74

0.48

LP

0.56

0.64

0.91

0.83

0.86

0.85

WS+LP

0.67

0.68

0.81

0.71

0.71

0.58

Average

0.57

0.64

0.73

0.71

0.68

0.60

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